Automatic resetting apparatus



Umstand 1 jfl* Heghte'. i Applicatigaseptembef21,1954, serai No, 453,429

- The vinvention relates to@automatic-resetting appa- Nof estructurado,whichlthe apparatus may be appliedand wherein the apparatusrnay be a portion of or `at tached to suchelement or structure. l'

reneaft'ena predetermined time whereupon the apparatus is 'automatically resetto become again responsive to' I apparatus is' applied.'- i

1 comprises a switch heldinV one position by a relay and structure; the svvi'tcliinl'itsv second position is instruv f of a thermostatic mechanism which after a predetermined V"jlengtli of rtime causesre-energization of said relayso as rie-energize the external device.`

The invention also contemplates Y 7 the .mentioned apparatus v*in various fields of use eg.

` Wa leakage detector, a means for closing 1n l many other'pnrp'oses where itis intended to VenergizeV an l apparatus is responsivex. In a specific vforrnfoi the plate thereof .when the telephone a lamp andfto .turn ofi the taff "determined length` "QIn another ot' the invention, the apparatus is builtY into the housingof a conventional telephone apparatus,

" und' also in many other instances where an linterruptor of highsensitivity'is needed'.y r

" another 'onefupon defenergizationof the 4relay coil, and in which a rtixnixigV device causes the `re fenergization` of l Another obectof the" invention 1s the' provision 'of 'l lapparatus `ofthe'mentionedtype to initiate the enerj gtzation of the device, and to break the energization curt j The vapparatusjaccording:tothe' invention essentially if.

.mental to energize an external device and a heating. coil t to pull .theswitcti IiaclonIo its position andrto 'Y i application fof" .windows and/or doors in response to the starting i and stopping of rainfall, Vas aconnting device, and forexter'nal device `when a movement occurs torwhich the inve..tion the automatic reY settingv -apparatusis applied to a supporting base of a fvjtelephone and responsive to vibrations of the bottom.V rings, to turn on "of time after the first ringing', or after the return of. `the receiver whenk it has been liftedfrom its support;4 A

invention further.v to provide an interruptezi `V "tain rforms of the apparatus according to the invention,

j the relay to attracttlteswitch'back into its first position.

i s "ratus, andv aimsv to providean automatic resettingapparavtus".for temporanly energizing-an electricallyoperative` device 'mgresponse to amovementfof 'an elementv'or par?. A

s ai'movement off the element yonstrilctureV to rwhichthe .i

l is'erged into a second. position `when the relay is deenergized mresponse to nl movement of an msociate v a, means for iightingandyextinguishiug J. lamp in'revspensetothe ringing offa-telephonebell. as ra .burglar it that an interrupterfof a circuit energizing the men- Y f tioned switch relay willvbe actuated by the clapper of the The invention further" provides a switching` relay i7 z which' the switch isturned fromits one positionV into v'Other objects :ind'dctails applied 20 Fig.)ll

' f Fig 12 is A' quent f phoneand 4hase` structure, showing the interrupter `con-` tacting the bottom plate ofthe telephone,

Fig lis va perspective view tion,

Fig. 4l1,

lj i VFigi` 13 is `a 'circuit diagram of 'the apparatus in Fig. 11, VFig'. i4 is amodied portion ofthe diagram of Fig. l3f`, Fig. 15 `is a diagrammatical side elevation of a switch` I Vrelay with timing device useiul in the apparatus ot the rillustrateddevices and in. other applications, and Fig. 161s a circuit d'agram of cluding the apparatus aording to the invention, t The invention to, eliminate stumbling pnone can beplacerlwithl itsfeet 22 engaging in corner recesses 223, inthe top plateoffthe basestructure. A l5 may, as to embrace the lower portion of the telephone housing f';

The elements `ofthe ap-: paratus according tothe invention are contained in the, f basestructure underneath the top plate 24, and the only 4 A' part contacting the telepho'neplacedon the base is'an inv t terrupter 29 which, as clearly -shos'n in Fig. 3, com-A i prises 'a leaf spring 27? rivetted with its one end at ZSto i the lower side of Vthe top platelfi. Theother end of".v

spring 27 carries a small housing 30. Housing. 30'is1 made of a plastic material `and comprises atuimlarpor-` tion 3 closed at the bottomuby 'a disc 32 and top bya substantially/ bullet shaped piece 33;` Piece `33 extends through an opening 34 in the top' plate 2 4 bears against` the bottom plate 35 of' the tele-` phone as shown Fig. .4 in whichthe bellSl and clapper "5 A 82 are also visible. TWo spaced wires k36, 37 extend through the housing 3G and form Within thelatter loops or cradles 3S on which a hall` or cup 39 bears so `as toi connect the wiresr36 and 37 conductively `When the ball 39 is lifted irorn'lhe supportingwire loops the con- `ductive connection betweenthe wires will be interrupted.- j Such interruptionwiil occur when the spring27 with the housing thereon oscillatesdue to vibrations imparted to thel Vhousing-head 33 `while the ,bail 39 owingV to Vits inertia will" reciprocate at a `frex'quc-ncy different lfrom y 1 thafof the spring and housingoscillations. It will be clear-.that theV frequency. ofV the oscillations oi the parts `v l t 27 *and 30'W11 depend 01" Various factors of'which an l 4 *essential one is thei'eng'th of file spring'z? sohat by a" l be provided all raronncl thetop plate `24 so 126 `when placed :on `the base.

at the of the invention will -he apA parent from the'description given hereinafter and the Y accompanying drawing illustrating embodiments thereof:

'ibyvvayf'zsfexa'rnple.` inthe-drawing, I: Eig. l isa perspective view of'a telephonewith a sup- 'l porting base structure in"whch`,the-apparams according i 1 ntoil-1einventionishousetl.V i

FigS is a perspective viewer interruptor elements@ il onalargerscalerf "1 l is a partialV perspective view ofafnftodiiicationv in yWhiclithe apparatus according to the invention is l built into a telephone the cover oiVV which is removed, t t

across section of the interruptor shown in will be first described as appliedtoy a." telephone, for the purposeof lighting a lamp in order t in the dark and the not inf1'e' "V injuries caused at-night when `:insurer-ing theringi ing oflt'netelephone lic-ill Referring now tothe dra ing, :Figari to irtherciis` i `v i aconventional telephone l'MlvvithaV receiver `89,` and a lbase structure in general denoted 21 on which the telel proper relationof4 thatlength an adaptation S Possbb of the" interrupter Ato the vibrations to `which it is sub- '3- 3911 f if necesarythis tail lguides the element 3,9?.safclyj back to 'seatanda similar tail .may be provided .if `thelhall .39fisused;` '.Theform of `theinterrupterv acmay not offer suicient contacting. surface. i v

`.Fig.7`z illustratesfdiagrammatically `all the parts of the i. connections `which are located Within ther housing. Tivo terminals50 andV 5 1' `arerprovided, whichy constitute the .f current'input means of theappa'ratus, and ,to which circuit `will be closed causing a current toliowfrom `terminal 51 through line 64, armature switch arm K55,V

.the aforementioned' `cord 44 mayheconnected.. A relay pulledagainstafcbntact 5S by a spring `Slwhen coil current.l from the ladjustable contact 1627 `of a bleeder reconnected to, the Contact 57.

61 andthe capacitor 65 are requiredfonly if a relay 52 retly Ato the arm 62' ofgthel bleeder resistor.

parts 'so Vfar descrihedand including the armature arm 55 in the positionillustrated insolid lines in Fig. 7.form a wrst" circuit whichfcontains las its main parts `the inteli 10nd circuitV is formed upon. de-energization when arma? .ss @D11-nenes through-lineas wnheneterminal 61 of ian outlet, vthe lother. terminal `68 of which is connected .through aline 69 tov Wire'41., The wiresfof lamp 43- v i y desired," an'yiother electrically operative `device may he "apparatus@ ment, is inlthe form of' aV .thermostatie mechanism 70. This mechanism comprises a heatingl coilil andtwo `.isvlocatedin series -betweencontact 53' and terminal 67. A `first manually operative, normally open, switch 74 79.1 For reason to `he.explained hereinafter, switch 74 l.eording AtozFig. f6' is preferable where the forni of Fig. f

.f in .general denotedby 52 comprises arcore 53 and'a coil4 54. 'c The armatureA of the relayfis formed by a switch arrn 5S pydtedfatd, which 'engages acontact'f57 when'` .f attracted owingto anenergizationjofk the coiled or isf 54 isde-energized. Coil 54 isconnectedin series through i wire 4Zwithjthe interruptor 29 which-in turn is com" 1 nectedV by wire 41 to terminal Sli.; A. lead `@connects the other end of. thecoil to a rectifier lwhch receives 'f sistorv 62 extending between the llead 41 and a lead 63 n i Arnratul arm 55` is con- Vnected througha line l64 to termina)- 51. A capacitor 65.1

may be'provided parallelle thecoil 54. The rectifier 5 is'to be useful "for `both AIC. and D.C; currents. If the :relay: is one'for A.C`.' lead 6) will oonnectthecol The n yrupter 29, coil -54, contact .57* and armature arm V5S. f' This circuit'is closed when coil54 is energized. A 4secl' `are connectedl to` `the outlet 67, 68.1Gf course, ifso fffbridges lines .63 and-64 through connecting leadsr 75 and 761` respectively, and a second manually operative switch 77 bridges'lines 66 and 64 through -lines 78 and` .ture mm'55in`1 l1edotted Vposition vbears against contactv 45' connected tojthe outlet in order tobe controlled bythe c i VA timer'is provided whichgin the illustrated emoodi# `bimetallic` contacts 72 and 73.which engage each other j .whenvheatedby coilfil for a predetermined length of time, eg; `)for two minutes. Contacts 72 and 73 are connectedV to the lines 63 and 64, respectively, and coil 7l 'ff jmaybe of thevpushbuttongtype soas` to open when rey separate manipulations for opening'and closing.

i Y The* apparatus illustrated- 2 the following manner: r

bear with.V its head portion" 33 againstthe bottomtplatc in Figs. 1 to l0. operates 'in y 35 of telephone thereby slightly pressing. down the;

" leased,lyvhereas Vswitch 77 may be of a type requiring twof f is the conditiony of the apparatus even after tlie inser-`.

` Y the armature 55 is in the position of 'Fig-7;' It is held v jectedduring operation. yIlle described'structure renders the finterrupterhighly sensitive tosuch vibrations. Fig.` 6 shows 'a` modification of the shape of the wires land of fthe Vcontacting element 'in that wireV 36' `and .37' formi Harcsii',` of `arffcircleY which is interrupted at two diametroally opposite points. 'The contacting element 39,.w

.cnefsliapedand may be `provided with a Vshort tail upon-theringingxofdhe 4telel'ihone bell 81 `'with cla'pperf S2.` Therosellations of the. bell vandclapper cause thai .j bottom 'pla'.eBS to vibrate to which the highly sensitive l -interrupter responds by oscillations offthe` spring 27. and 15 apparatus according toY the invention yand their electrical to the energiaation of the relaycoil54`by a current flow wires 36 and- `37for at least onefof them `soas to inter-v "rupt the'circuit which energizes the' coil l54. QOwing ,"tliereto,V the `armature arm SS no `moreattracted by the". coil 547w1'th-core 53,*canbe pulled by spring 59 intov burning afterk the lrst ringing a` predetermined length'of time depending on .the `proper-ties of the correspondingly Q selected heating coil and"` bimetallic contacts 72,` 73.3"

V,heating coil 71. Should the calling personV persist 'in'. causingthe ringing after `the lapserof the predetermined` j time,- the lamp may Vperiodically be turned .on and 0E z asthe interruptor ball will leave itsseat on the wires period, so as to `allow the called person ample time to`f l reach lished or otherlighted room while the lamp 43 When plug 45V is inserted in a wall outlet eg; oli` a" r houseflighting circuit and `telephone 420 isV placedvon the 1 t base` structure asfshown injFig; `1, the' interrnpter. 29 will l Nowitwlltbe .serted a wall-outlet,` the coil 54` is not energized so o L 1 f," `V 2 ",i.. spring 27 into the position ofFig. 13. "It is assumed inthis position against vthe restraintof spring 59 owing fingir-oni terminals() througlrline 41, vthe closed inter resistor 62, .line 63;.contact 57, armature ann 5,5, ,pvot

j s6, sa an@ s4 1eme sama input termin-n s1. n uns; f

' position the apparatus is set to control the. device com' nested to, the-output terminals 6?, `68, le. the 43,v n i in. consequence hyv a separation. of the ball. 39 from the the positionV shown in solid lines in Fig'. 8.V Thereby a Contact saline se, heating veen l71, euse: terminal. 61,1: lamp 43, terminal f68 and line 69 to therinputrrterrninal 7 50.. This circuit remains closed and thev lamp, remains 7* The predetermined time, say 'oftwo minutesy will be g amplefonthe calledzperson to answer `the,telephone While the lamp isburning. Vlf the ringing stops because .1 t

either Vthe *called person has lifted the` receiver or the c calling person has returned his receiver, the" heating coil will cause.V the contacts-72 and 73 to engage each otherv at the end of that; time period so as vto closethe circuit? Y shown in Fig. 9 in solid lines. This circuit hypassingff'" the amature 55 .energizes -the `relay coil 54 byv current l flowing from'terminall through line 64, contacts 73,1, 72, line 63,- resistor` 62,.rectilier 61, line 60, coil 54, inter?` rupter' 2,9, Vandlines 41, 42, to terminal l5). It .will be understood thatuthe ball .39.has`, returne'clio lilsseat toz `stay `there after the ringing has stopped. Owing to the energization of the` coil 54,am1ature arm 55l will *I attracted into the original position of Fig. `7, thereby in- 3 terrupting' the.. circuit which feedsftheflamp andthe i 36 and L37 upon each ringing of the belLfbut-the lamp.l

vwill stay dark when'the .ringing linally stopsV for good. f l

If lthefpers'on called answers thetelephone, thetimingy` v n mechanism..will nevertheless operate as first described,

at the end of the predeterminerlperiod, hutcontinnedff r burning of the lamp can be caused at any `time 4by. tum--` ving theswitch 77which in the closed position will connect i the lampdS. via` the outlet terminals 67 and 68 directly to the current conductors 64. and69. When the called i f person hasnished talking after the lapse of the 'pre vdetermined time, thefrst circuit will have vbeen re-.: 'established inthe meantime as stated hereinbefore.. If,

then, .he returns `the receiver and switches olf the lamp 't throughyswitch 77, the unavoidable'slight shaking of the v telephone caused thereby causes a momentary actuation of thevinterrupter l29 with, vthe result ,that the .coilA 54` i C will hemornentarily'deenergized, andthe armature arm f Y will re-estfablish thelamp' circuit for the ;'n'edetermined.lV

is burning. v Y

that armature arm 5.5 engages vthecontact 58.

f continue. to hold end `at 104;"Two wares 105 and :106: extend longitudinalcody is held between twometal' clamping` members 107 ,andlllwhicharemonnted on a non-conductve base platelllg'; "Leadwires 110and 111 are soldered.to"the members 107 `and 1 G8," respectively.l .A rcai-likemetal 113 isconical so as to tit 'the hollow cone 103,'and its "other `end i114 is screwed' orv otherwise fastened n.within body 131 when the end 113` bearsagainst'the intrned .located partly-inthe bore portion ian'dbears against Y115 so as Vto urge .the cone llwith a` slight force into yengagement with the'` wires 195 and 1&6 and to establish "11115 in the' direction'of" the body 101.

head 115 `just-touches or is veryl closeQto an upwardly drectedfextension 12.1 of the clapper 122of the telephone will'transnn't itsoscillations to the head 115, so that the v` connection between thewires-105ax1d1t16v will be inter-jv mated corresponding tothe movement onbalans@ 113 which, with. i151y Shlk 112, srigidly wmected tg the.

" head'gqj fthe telephone` lexcept that itrnay hedesirabieto combine lcertain switches described hereinafter with the conven` it.A 'even after `the release of the ,push

- "1y along a. portion'ofthe otitei"surface of thebody 101.'j 'andfare bent` inwardsintothe portionl.- The shank` 112l eitendsfthronghthe bore 1.02."v its endend a non-conductive head piece `115x'whichis spaced a cerfA tain distance -from the.l adjacent end i face 116' of the 'i ends of the wires105 and`106. A small springA 117 is betweenftile wires 110, and 111 ajconductive connec-V -Vtion "1v-"Lch canv be interrupted by pnshingfthe head As clearlyl shown in Fig. l1, theinterrupter issecured` f i Vvvithits haseI plate V109 to Va stationary partV 119 Yof the t interiornof the .telephone 120 insucb a position that :ts

" beu izs. rims wheniheieiephone rings, ciapperm;

t The other-elements of the apparatus-may beaceommodated in any suitablek arrangement `'under the cover of abonar; -J

. .amati-mas hminbefoeaascea push einen may V {bemomcntarily pressed in,` whereby the solid line circuitv shown in Fig. i be established which, bypassing i the armature s'jvitchgdirectly connects the lines '63 and 1 1 64.. -1; The so energized vcoil54 .will attract'ann. 55` andiA another wire 137iextends'between `output terminal `133 i and input terminal1130. The timing device or thermo' static mechanism ingeneraldenotedv by140 is of a design somewhat dilerentjrom .that shown inthe precedingly described embodiment but thev one or the other may be t used ineitherapparatus.,v The mechanism 140 comprises l show, ina the apparams u -accordngftotb'e invention built pinto atelephone of conven structure. yInths modicatiom. an interruptor `Kv l is used of'ja'design diie'renty from .that according Yto, Fig.`

E. V3. The interruptor` ,100 "illustrated insection .on an enllarge'd` scale in Fig'.` l2 comprises alcylindricalbody 101 A `'withranaxial bore `10?. which at the one end flares coniscallylat 133. ndis oflanf increased diameter at the other a dzimetallic arm 141 insulatedly smi-minded by a heating coil 142. Whenlthe healing coil has been venergzed a predetermined length'oime, fthe arm 141 will Y. .upwards to engage acontact' l143 which is cemented to g V.contact' through'a Wire-144.. .'Ihe .one end of the heatcoi1`1-41 and the arm 141 are both connected `to if; contact 5.8 through. a wire 145 Whereas a wire 146 leads 'from the other end/of the heating .coil to anotherswitch .147,1from where a wire'148 leads Ato vthe tern-linal` 130, l, .l It will be noticed that .the heatingcoil,141'r is j.- inacircnit parallel to the outlet circuit containing the v,

, terminals .132 and 133, Whereasin the diagram yoiPig. 7 l] A f v*the heating coilandfthe'outlet `are connected in series.v Howeventhere is `no necessity of selecting the one in y Vpreferencetothe othenin either circuig'although theV parallel arrangement seems `tohave 'certanadvantages i .overtheseries connection: The aforementioned switches# 134' and 14.7 are operative by the telephone receiver indi` cated at 156,431' `such a manner that upon ythe removal. ,v f

p `of vthe receiver from its support both switches "are opened and that upon the return of the receiver Vboth switches the yinner vshould,en-.1Q4' ofthat portion and the head n f tional switch packet operated within `the telephone `by the I removal and' restoring ofthereceiver from and to its ....fsnpporLfAsthe selection of: asuitable arrangement of location of para: inV relation to one another.Y

' ln thev diagram of Fig. 13the relative arrangement armature lswitching'arm 55, with pivot S6, contacts 57 minals 130,1131are provided for connection with an externaicorrent source `not shown; Similarly,-there are outlet terminals 132,133 for the connection of a device v 'f vto-he controlled, such asthe lamp 43.A V'I'he'one end of the coil 54 isconnected to. the input yterminal 130 via n .theinterrnpterflllwith its" lead .wires 114) and 111 *and` a .sw-itch` 134 the function vof whichwill be v'explained here- 1 r inaftenThe Aother! endofV coil. 54 is` connected-to the .v contacts?, andthe armature armSS isconnected to the rthe parts'. is merely a matter of choice "and ofthe ordinary fsltill of vpersons familiar with the art, avdiagram of the` l elements of; the vapparatus according to theinventicn- V:shown idF-ig'. llrather than a design vshowinga specific Y "of the relay 52 includingV core 53` and coil54, and the.'

areclosed. For that purpose -the arms of the switches 134 f i Yand 147 are shown linked to each otherlby a connecting rod 151." A s .lng 152 is attached tothe armof sw: ch

134 and tendsto poil the switchesopen. On the other hand, the receiver bears on"a bell cranlc-shapedsupport t. i

t 153 which'is integral with'and extends from the' arm of ff .switch 147.v An abutment 154 is provided for the snp-V 1 port to ensure a correctclosing position of theswitches.' Y It will be clear that` the particularv form inwhich the receher-,controlled switches 134 and 147 appear in Fig. 13 I, "has merelybeen selectedin order to facilitatethe undcr- 'ffi standingv of `the functioningof the parts, and that in actnal` `structures the switches and their operating elements will I beadapted to the forms y.usnalin coiwcntional telephones.

l' This embodiment ofv Fig. 13 operatessimilarly to what has been described hereinbefore. When arm is in the illustrated position and the bell rings, therinterrupter 1130- .V 'v is activated by rheclapper .122 in Fig. ..11 sov that `coi1 54` g is de-energized, and arm 55 closes the circuit from input .terminal 131 through wire 135,-arm .55, Contact 58, output terminals 132, 133 with lamp 43,. and Wires 136 and 137 tothe terminalll. Simultaneously current can 1f thecall` is not answered within the predetermined .Y `length of time, the bimetallic arm 141 will bend so as to wire 144, contact 57, coil 5ft, interruptor 109,"swit'ch134 v to terminal 130.- If, however, after the ringing, the receiverV is` lifted before ythe end of the predetermined and A58Y andspring 59 is the "same as shown in Fig. 7' of the precedingly described embodiment., VInput .ter-

the meer. ssL aan me entre; '13e-,1. am; fr;

'bear against contact 143 whereby a current Vpass- Ythrough-.the,relay coil 54 on itsjpath from the arm 55w ;1-.

still contacting at 58, wire 145, arm 141, contact 143,

time, thek switches 134 and 147 will hold the circuits through .the relay'coil 54 `and through the heating coil'. j open until the receiver isretureed andhas closed the;`

switches. t However, the return of the receiver does not cause'an immediate extinguishing of the light at 43. But

the circuit'off the' heating coii willnow conduct current and, after-the lapse .of the predetermined time, will canse Y. 4energization of the relay coil l54 with the eectthat arm 55 will be attracted to. contacts? and will switch of' `thefla'mp current. Thus the lamp`- remains burning a predeterminedperiod aiterfthe completion of the' call and the apparatus .is'reset to respond to a subsequent call by,` .re-lighting the lamp. l Q vFurthermme it willbeclear'that the apparatus will f not onlyrespond" to `the ringing of the hell, bnr turn on the lightwhenmerelyrthe receiver is t the switchconnccts the lamp to .acrm'inal 162 The combination of a lswitching relay with a: timing Lunit which has manyus'esnot onlyy in the apparatus ,ac-

t nccrtaininstancesfitwill bevdesirable to use the lampA `43m when the telephone is not used.:` This can.; bedone by providing another switch 160 asshown in` `Fig` `14.4 can-connect the lamp Biexactlyf 1 as in Fig. rElwheri'the' switch arm 161 isn the dotted j [Inthcjsolidline position, on the other hande; .IB connectedtbyzalwjire 1.163 to the line 135, whereby the I lamp is connected` `directly" tothe terminals 130 and 131g devicevfor resetting as shownin `Fig. l'fconstitutes a cording'to theinvention but also in other fields. This isv particularly soif accordingfto-the furtlterinventionJ y. provision is made `for a feature which eliminatesy chaty esonero then, fswitchfld'wll `cause .an of the relay 1i.

interrupterdoes when the bell t 1 tering frequentlyv occurringtiu switching relays. t. A-struc.- f

ture `which incorporates such features is diagrammatically arm 175 constituting the amature of the relay is insu- !llustrated in Eig 15,11 In this .ligure thelrelayfcoil 170A with jcore171 is contained ina cylindrical housing172V ;y

L vrr'orn which twoflateral: projections 173v and 174 extend i in oppositev directions. In pr'ocction-173 the switching,"

invention susclul fields.

are all'provided in the `same arrangement as' shown in and described with respect to Fig. 13. Coil 54, however, f y. fis not connected with one end directly to contact'57 but@4 via the movable part 200 of a bleeder resistor 201 groundf" l Y ed .with one of its endszat `202 and connected its otherend 203ttocontact `57'through a wire 204. "Bef tween'the othercoil endat 205 and thev ground at2064,` aiplurality of interrupters 207 are positioned in series`- There willbe as manyinterrnp'ters as there will be partsy tobe protected, eg. the four doors-cfa car and IRT latedlytpivotedat176: VA spring177 is secured with its v endsto the projection 173 and to the tail end 178 of the H armf175. 0n the projection 174e piece of insulatingv i material 180 is erected to whchthrce contacts 181', 182

i through a'wire` 184,;to the contact 183. When'the coil 170 de-energized, spring 17'! willr urge the arrn into "ga terminal` 190;. Whenthe coil has been :heated by 'a 188, leg 186,fcontact'183,' Wire 184, contact'181 and .t `free end 190 ovthecoil 170 are connected between the attract are am imo the passion 17's"` shown' in dotted i the position 186 will also't'end to urge the arm downward v "while the, current throughtheheating coill 1871s interi ruptedso that thellatter can cool down and leg 186can v4 clear that thispressure is strongest when the armisstill v".current offrirev relay coil.

'i and 183, 'the one above theother, are secured. Contact f 181 is connected to the one end 'of the coil 170'and also f l 186 insulated therefrom except for one end point, 188 ,i whichis connected'to the contact 182 through a wire a `'terminals of acurrent source,` therenergized coil 170 will y une, and the bimetauie leg 186 stili bending upward in Thus the unit illustrated in Fig. 15 is useful, asl a` self Y' setting, `non-chatte'ririg switchingtrrelay. to transmit to a" 'Exfdeyice` `connected,theretoV impulses of predetermined 1 duration in response `to interruptions of the energination"l 1 engagement withcontact 182 whereas upon energization- Y, engagement with. contact-181 .asshown `in dotted linesgj A t Anupwardlyextending insulated projection 185 is se-Q cured by means not shown to the armature arm 175 and i l a bimetallicleg 186 is in turn connected to the end of 1T` current flowing"therethrough'a'prcdetermhied length of timejthe leg lfwllbend" upwardsjinto engagement i lwith Contact 183 so as to establisha conductive connec-` tionbctween the arm 175, contact 182, wire l 189, point 't i coil 17,0.;1-1en'ce,` when thetail 173 of arm 175 and the- 1 u l so as to ensure a positive engagement of the armg175 with f contact 11 when the full'. force of coil 170 acts thereon'` v bend back to its'originalshape. It is theme'ntioneddownward pressure of the legr 186wliich greatly aids to l' prcventthearm '175-'from chatteringvr because it will bei t ,aankunnen that the-apparatus winding torneos, appended-unna f of 'the .trunk-compartment.

the wire 2704. position, the"member213 engages ya contact 217 vwhich is connected `to the armature arm 55 through a wire 218., 1" u It is 'to be noted that'when moving from the second lto the third position it"will'engagcboth the contacts `.215 f and 21'? Yat'fthc same time before nallyerztgaging only Y t contact 217. The switch comprising the parts 213, 214I ff V- f 215 and 217 may be loperative by a key and provided at a location outside the car so that it can `after' the car hasrtbecn Lleft'bythe user.

. If the `switch. is in the ol. positiomspiing 59estab-n,Y l, "lishes contact between and 58. :As line 21S is open,

`the alarm is disconnectedvfrom Vthe batteryv210. By turning the switch into its second position, member 213 vwill energize the relayV coil. 54 as a current canllow` from f the batteryV through line' 216, resistor 201, 200, coilv 54; y. i through the interrupters 207 in their closed condition to" v the ground at 206. Thereby the arm S5 will be attracted Without, however, carry-ingany appreciable current. Fit `naliy by turning the switch'to the third position the apparatus will be properly set by connecting `line 218 to the i t battery so that the current lcan ow through arm 55, cons. z j tact 57, wire 204, the resistor 200, 201i, coil 54, and the l nterrupters 207. It will be clear that when the member 213 is so switched contact must be made at 217 before l "the contact 215 is released because otherwise the coil 54 t would be momentarily de-`energized and the arm 55 would f (f be retracted by the spring 59. When one of the inter-k V u rupters is activated ywhile member 213 islin its onposi Q 1 mostre'rnote from the coil and whenthereforc the attract- 6.5 N t ltinglorce of the coilon the arm` is weakest, and tizatthef I' ,-pressureonly decreases as theV attraction of` the coil in-V tion, the alarm will sound and simultaneously the heating It will be apparent to those skilled in the art that many modiiications and alterations ofthe structure illustrated A1 anddescrihed hereinbefore can be made without depan- "ture from the essence and. spirit of my invention which,...` :Eotrthat reason'shall not -Asafurtherexample lof `the use of the apparatus, Fig. 16 diagranimatically shows the invention applied to aburglar alarm which may` `beprovided eg. in an `autornohile tosou'nd the horn or other alarm devicewhen a door is unlawfully opened.` In this diagram, the relay switch comprising thecoil, Y 5

'armatm'e ann S5, contacts 57 and 58, and spring S9 and 3*: alsoithe heating coil 142 withlbirnetallicarm 141 and cofA ,Y 'ordinate' leontact143` connected to contact S7 through 1Mo-and the connection rof the himetallica1-1312141v and heating coil 142 to contact S8 by means of wire "14Sv The interruptor-s `maybe of any suitable and conventional peand so arranged that, upon the opening of a door, a -co-ordnate interruptor will be activated. yThe horn 250 or other alarm device f l is connected through line 208 to contact 58 and grounded f zat 2&9. A battery 210 which may be the conventional. :cart battery is grounded at 211 and with its other pole lconnected .through wire 21210` the movable member/213 of a switch which can be selectively switched into anyfone of three positions. Therst vposition indicated'at f 214 is the fuifV position in which the battery `is discony s. nected from the apparatus. In the second position, memn f ber 213 engages a contact 215 which isconnectedA to the 'I relay contact 57 through a wire'216 in vcontinuation of` ffl ln the third position, which is the on fr y be turnedon f' the ofV an electriccurrent source, an intcrrupter in series with .f 'said means an'diadaptedtov engage said external element,l said "interruptcr being responsive toV amevement `osaid 'clement to interrupt said connection of said meansA to said source," a spring tendingto'urgesaid switch int'oits' second position when said means 's de-energized, a con- 'nector means for said'lexternal device, andajthermo-V L15 'tion being adapted to connect said connector meansand said'mechanism'to'said current source, said mechanism `A`.after apredeterminedftime of encrgization being' adapted Y to connect saidelectrical means tosaid source thereby to' energize said electrical meansuand lto urge said switchV staticcontact mechanism, said switch .in said seconclposi-y .into its`irst-positio1nL-jv s r 2`. .An `automatic resetting' apparatus. yfor f pole of'an external currentsource and a relay including arm vis connectedin 'series'rwith said y'coil and attracted element and to interrupt saidy first circuit in response to ing said arm fwhenin` its second position and-means for second circuit, anda. thermostatic mechanism including been yenergized a' `predetermined :length Aof ftime.' 1

l means,..said'heating` coilV and said armature arm,fw hen in its secondposition are'connected-'in series.

'4. .Anapparatus as claimed inclaim 2, wherein said 'means and said heating ,coil are connected in parallel.

prising at least one rvother inteirupter adaptedl to contact r' said first mentioned interruptor,` said otheninterrupter being responsive to .a movement' of'rsaid second external element so as to open said first circuit.

prising a thirdl circuit by passing said armature arm and including a normally open, manually operative switch in Vwhen saidmanually'operative switch is closed,

nested between said relay coilv Aand said r'stmeans so as L armaturearmis in its'secondposition, and a'secondv said armature arm Ais `in its first position.

s *assault temporarily.`

energizingfa'n electricallyoperative device in response'lto l 1 a movement of an external element, comprising two elec# 'trcal circuits, the rst one'of said circuits including a normally inoperative interruptor connected to the one l' a coil. in` series with' said interrupter `and-an armature-` arm connected to` the other pole of said current sourcef and having two positions in the' rst'one of which said A.',thereby, said `in terrupter"being adapted to contact said `the movement of said'element, the second. circuit includconnecting `said. electrically operative device to-the firstl `n1entioned poleof'said current source, a spring tending A' to'urge said arm into its s econdposition thereby, to open` `l `said rst circuit andto connect said arm in series in said uaheatingcoiland contact means, said 'heating coil being in series withrsaicl` arm and'energized when said arm is' i l in its 'second position, and said contact meansbeing operf alive tofclose said firstcircuit when said heating coil .has`

3. An ,apparatus .as claimed in. claim 2 whereintsaid Y 50 l An apparatusas claimed in claim 2, further com- ,y 1

' another external element and connected in series with.vv

6. An apparatus las claimed in claim 2, further coin-` i series with said relay coil so as torenergize the latterf 7. An apparatus as claimed in* claim `2,` furthercomprising a first 'manually operative, normally open switch I in athird circuit by-passing said armature arm and conto energize said' coil 'by closing said switch while said manuallyoperative, normally closed switch in said rstf f circuit operable to cie-energize said armature coil while `70A 8.v Thecombination -with a telephonevin'cluding a bell mechanismfauda part vibrating `when said bell". rings, of* f 1 f i a device.comprising a switch havingjtwo positions, electric .i

adapted, vupon energization, to `urge and hcldsaidk Tief!- l i f1 gij switch in its lirst position in which said switchis adapted 'f resetting apparatus `for temporarily `A`em'crgizingan electrically operative device in response to'.A

`ainewernent ofanexternal element, comprising' a switch havingrtwo positions, electric means adapted, upon `lencrgzation, to urge and h old said switch in its irst position f s. .inzwhich-sad switch adapted to connect said means Vto connect said means to an electric currentsource, kan- Vinterruptor in `series `-with saldi means and adapted to' engage said part of said telephone, said interruptor being l Y responsive to a vibratory movement of said part tointer nipt said connection of .said means'to said source, a spring' tending to urge said switch into its second position when'v f said' means is'de-energized, a connector means' for said device, andaa thermostatic Contact 1n* n; said switchnsaidsecond position being adapted to c'on-` .uect said .connector meansand `said mechanism to current source, saidmechanismafterna predetermined Y Stime of energization being adapted to connect said electri" calmeans to said source therebytto energize said electrical i means .andto urge said switch into itsfirst position; l- 'i 'f Q9.- A combinationas claimed in claim S-whercin partof said telephone is `the clapper of said' bell.V

. 10.` A combination as claimedin claim 8 wherein. said It w part of said telephone is stationary with `respect to the'i Y :movable clapper of the bell but subjectto vibrations due?. tdtheclapperoscillations. i "l L An apparatus for temporarily energizing anelect-- cally operative device in response to the ringing o a tele-V phone including a bell'mechaism and a casing with a bottom portion subject to vibrations when said bell-rings, Y :l .comprising a base structure adapted tosupport said telei f phonega' rst.. and` a second electric 'circuitA within said 'f 'base structure, 'said yfirst circuit-i including. .in series a `current input means adapted for connection to an electric current source. an ,interrupter' means, said interruptcr means being secured to said base so as to bear' against said bottom portion when. sad telephone' is positioned on said base, and being adapted to interrupt said first circuitfin;y `response to vibrations of` said `bottom portion, a relayv 35 coil and an armature arm havingrtwo positions and conf stitutng a'rclosed'switchcof lsaid first circuitwhen `said coil is energized, saidsecond'circuit'including said currenty `input means,` arcurrent outlet adapted for connection of va. l] lamp, a heating coil of a thermostatic mechanism and' said armature `arm constituting a closed switch of said 1 `when .relay coil. is,` de euergized-, said e thermostaticlmechanism further including contact means responsive to said heating coil being energized a predeler 1 mined length of time andl adaptedkto cause energizaton of said relay coil while Isaidarmature.arrn is in its posiytion closing'said second circuitwf Y l f ,fIZAnapparatus as claimedin claimfll,furdlervconi-` l j prising a shunt circuit including almanually operative switch, saidshunt circuit being connected' betweenlsaid` relay coil and said input means so as to bypass-said armaturearm.'f t3. An apparatus ciaimed i'nclaimY l1, further corn-1 prising a manuallyA operative switch in. said rst circuit."

. 14. 'An apparatus as .claimed inclaim llrfnrthercorn-Y prising a capacitor parallel to said relay coil, arectiler and a bleeder resistance in said frstlcircuit. j j 415. In a telephone. including a receiver, a receiver sup-` portanti a bell, thecombination of a switch controlling 'facircit for energizing an electrically operative eXternaL wdevice, a first means responsivetothe oscillations of a.' part of said bell. when said bell :ings to actuatesaidY f m"'tch so as to clo'se said circuit, a second means operay :tive Aupon removal of said receiver from its support to.V .actuate said switch so as to close said circuit and to hold. said switch 'in circuibclosing position, said Y'second means. f becoming' inoperative v'upon return of said `receiver to its sup-port, and a timing deviceresponsive to theV return of.' "said receiver to its' support and operative aA predetermined,`

time thereafter to cause the opening of said switch.l

716. In a telephone includinga receiver, a receiver-'sup Y port and a bell,` the combination of a switch controlling `4fa circuit for energizing a lamp, a vtiming 'rnechanisnnv a.5 -irst' means responsive to oscillations ofv a part ot said?. t

bellwhen said bell ringsto close said switchland toast#v f4.; Y'g5 vatesaidtmngmechanism seas tobccomcopemiyea i f t as .tofclose said .circuit when open and to retain said port l:and a belli the combination of afrelayinciudingacoil, an armature adapted to be attracted by said coil when nection said/coil, saidv arm when ,inits attractedposition,

y' input means, `saidarrriin its retracted'position, and a cursecond switch; `said armaturerarmwhen in` its retracted and adaptedto openooth saidswtches whensaid receiver -Visliftedifrom its support. Y

cluding a clapper, andl'said interrupter contacting saidY i clappervvwhen said'bell lringsg' i t 19. `A telephone as claimed in claim 17, vfurther cornsaid outlet andhaving two positionsin the rst'one of i nectedto said inlet.v i l.

i phone basethereon, a lamp connected inahouse lighting WWper housing surface, electrically vconductive' means'in- I `eluded in saidinterrupter mcansand connected to one .t aclosecl switch with a' stationary contact in the lamp lighti said relaygcoil is energized, a thermalV relay`means conysaid relay coil after a predetermined time lapsewhereby to move said contactfarm away from. the stationaryv con-V l container; of lnon-cmductive material securedt'o the under vsurface oi-said free leaf spring-end, a contact cap secured predetermined period after'theringingof thebell to opcn 4 said switch,a secondmeans operative uponv removal rof said yreceiver from its support to actuate said switch so 1 1 switch inthe circuit-closingposition,- said'secoxid means ,',being operative uponreturn of. said Vreceiver to said sup Aport to activate said Ytii'niug mechanism `to vbecomeoperaj tive after saidl predetermined periodtoropen said switch.; X17; In a telephone including' alreceiver, a receiver `snpcoil is `rie-energized: a first circuit including'in series con a currentnput means'adapted for connection with an en# Y i ternal current source, a first switch,VV an interruptor respon'v siveVV tofvibraticnseaused bythe ringing of.v said hell to .Y open. sadrst' circuinja ,second Acircuit including' said positiomfand a heating coii being part'of'a thermostatic I, mechanism for energizing said relay coil when said heat- ,Y "ing coilxhas been energized a predeterntined lengthof time; t

Vand a meansconnected tosaidifirstand said` second switch v a t 18. A telephone asy claimed inrclirn 1v7, said bell inv which-said outlet lis yconnecteclin said second circuit and l in the second one of `which said outlet is directly con- 'b zafra@ wmbinauenf-vath'sjtaepaeae having einen l signal mechanism inthe base thereof, of a hollow housf l ing having an upper surface adapted to support 'the tele-r l circl uit, said V'.houslu" gfupprerslirfaV cehaving an g, interrupter means positionedwithin said opening and vibrationally responsive to the ringing ofgsaidgbell signal mecha '.1 anism when said telephone base is positioned on said uplead of said house lighting circuit, a relay mechanism in- W cluding a core, acoil surrounding said coreand a nrov- 4 y able relay contact arm adapted-.to be movedwhen said y.relay coilY is energized, said relay.contact'armr forming ing circuit, saidswitch being adapted to be opened when nected in the circuit of saidlanip-and adaptedto energize tact, saidinte'rrupter means comprising a leaf spring sepassing through'saidcontainer, said Wires being connected.

famoaeli n j the latter is energized, and a` spring connected to said arm .20 front outlet for* connection of an' electrically` operative,Y t external'devicef al shunt circuit connected' betweeasaid u current input and said 'current outletand including a clapper so as to'b'e' operated by the vibration of'szid.v 'i

f is are neun read imp, and a han of @aduana f terial within said casingaud supported on said Wires;

m21. The combination with a telephone having a hell` signal mechanism in the base thereoof a hollow housing 'f having an upper surface' adapted tosupportthe telephone base thereon, a lamp'connectcd in ahouselighting circuit. t .4 .i said housing upper. surface having an opening, interruptor t 7, meanspositioned within said ,opening-and vihrationally responsive ftothe ringing '0f said bellsgnal` mechanism whensaid'telephonebaseispcsitionedonsaidupperhous# f 'i ing surface, electrically conductive means Vincluded in said l t interruptor means and connected toV one lead ofA said house A andtendingto `urge itinto aretracted position when said L circuit, a reiay mechanism including a' core', a`

C coil surrounding said `core and a movable contact `arm adapted to bernoved whenl said relaycoil is energized, l-saidfr'eiay contact `arr'uiorrning a closed `switchwith a c stationary. contact in the`lamp lighting circuit, said' switchv ,u being adapted to be openedwhensaid relay' coil is enerf-X j and thermal relaymeans connected in the `circuit `of said lamp and adapted to energize saidrelay coil'after" i a vpredetermined tiine lapse whereby to move saidv contact `-arm away from'the stationarj contact, said relay means y including a capacitor connected in parallel with 'said coil anda rectiier connected in series with said coil.Y

22. .The combination according to. claim `2t), further with external control means mounted in said housing.

` .fone vend to the under surface of said housing upper surface prising a manually operative switch in connection with.

,spring kand adapted to he, vibrated upon the ringing of being `connected in the circuit of said lamp, and a ball of V23. The combination according to clairn 21 wherein said interrupter meansv comprises a leaf springsecured fat at one end thereof and having the other free end disposed Y below. said openingin said upper surface, a hollowv con- 1 v. tainer of nonconductor material securedfto the' under j. r l surface of` saidfre'e end of the leaf spring, a contact cap secured to the upper surface of said free-end of the leaf conductive material within said ansupported on x lsaid wires. f t

, 24;.The combination accordingtol-clairu 23 comprising a by-pass switch adapted to connect said lamp y i 1 directly infsad house lighting circuit and a restore-to normal ssaitch in circuit with said relay coil and arranged `cured at one endto` the under-:surface of said housing upper surface. at one end and having the other end dis- 1 yposed below said opening in saidv uppersurface, a hollow "to the upper surface of.` said ,free leaf spring endandv A, f adapted to be.vibrated upon theri'nging rof `the said bell gammes cited in tiene sf this 'pagina ...n.a, f

55 U Diurno STATES PATENTS f \1`,51` 3,d69 Reinhold' 1., oet 2s, 1924 1,729,137 stalmach i-- sept. 24, 1929 .e 2,157,843 i'Arrnstrong et ah. ....1May9, 1939 1 60. 2,236,689 t Lemire et ai. y Apr. 1., i941vv ,2,279,395V .,f Garclnerg.....;..` Apr; 145.1942` v. 2,449,162;V t Keira 1. sept. y14, 194s 2,562,069 stein --V -.I \Ju1y24, 1951 2,572,815v 'yjLaporte' Oct'. 23, 1951 i 65 H2,594,676* Novk-i .p--. Api-.29, 1952 4 p 2,313,154` Rabincw .j l. Nev. 12,195.7` t f 1 I n f, FOREIGNPATENTS@ l t w1,877 v1 Greatutain.e .f. --j Maya 

